exam Maths Puzzle Numerical Ability

Do all table of values for absolute value functions and graphs have to have 0,0 in them? If not tell why. Thank you.

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exam Other Question

Well here it goes,
write an equation for the parabola that is obtained by shifting the graph of y=one fifth x squared exactly 4 units to the right.

thank you.
Can anyone give me a hand with this one? Thanks!

3^x-1 = 2

Give answer to four decimal places. Thanks again!